xmpp-shell-exec.js

// Extremely experimental!!
// Please becareful. You should see a lot of errors in your terminal. 
// Has colors in CLI so you can read XML streams with ease
const { client, xml } = require("@xmpp/client");
const { exec } = require("child_process");

const xmpp = client({
  service: "",
  domain: "",
  resource: "shellbot",
  username: "",
  password: "",
});
xmpp.on("online", async (jid) => {
  
    // Timestamps when bot goes online
    // This is good to see and log when bot goes online
    const date = new Date();
    console.log('\x1b[1m\x1b[36m','Bot Started on ',date,'\x1b[0m')
  
    // sends the date to itself
    // put back after done to: username, so it send to itself
  
    const message = xml(
      "message",
      { type: "chat", to: jid },
      xml("body", {}, 'Bot started on ', date),
    );
    await xmpp.send(message);
  });
  
  console.log('\x1b[33m%s\x1b[0m', '--- XMPP Connection ---')
  xmpp.start().catch(console.error), () => {
    
  };
  
  // This displays all the body messages
  xmpp.on("stanza", (stanza) => {
    
    bodymessage = stanza.getChildText('body')
        if (bodymessage)
        {
        console.log('\n','\x1b[1m\x1b[36m','Message:',bodymessage,'\x1b[0m','\n')
        }
  });  
  
  
  xmpp.on("offline", () => {
      console.log("bot offline");
    });
  
    // Displays Presence
    xmpp.on("stanza", (presence) => {
        if (presence)
        {
      console.log(presence.toString());
      console.log('\x1b[33m%s\x1b[0m', '--- PRESENCE ---');
        }
    });
  
    // Commands start here
  
    xmpp.on("stanza", (stanza) => {
      
    // reads message and outputs into terminal
    console.log('\x1b[33m%s\x1b[0m', '--- XML Stream From User ---');    
    
    // The const that makes this all happen
    // The most important CONST
    
    const text  = stanza.getChildText('body');
    
    if(text) {
      const split = text.split(/(?<=^\S+)\s/)
      const possiblyBash = split[0]
      const command = split[1]
      // full string
      console.log(split, possiblyBash, command)
      console.log(possiblyBash === 'bash')
  
      if(possiblyBash === 'bash')  {
        exec(command, async (error, stdout, stderr) => {
          if (error) {         
              // Sends the command output to user if command not found
              console.log(`error: ${error.message}`);
              const { to, from } = stanza.attrs;
              stanza.attrs.from = to;
              stanza.attrs.to = from;
              const message = xml(
                "message",
                { type: "chat", to: from },
                xml("body", {}, `${error}`),
                ); 
                xmpp.send(message);  
              return;
          }
          if (stderr) {
              console.log(`stderr: ${stderr}`);
              return;
          }
          console.log(`${stdout}`);
  
          // Sends the command output to user
          const { to, from } = stanza.attrs;
          stanza.attrs.from = to;
          stanza.attrs.to = from;
  
          const message = xml(
          "message",
          { type: "chat", to: from },
          xml("body", {}, `${stdout}`) ,
          ); 
          xmpp.send(message);
        });    
        // else just console log the received message
        console.log('\x1b[1m\x1b[32m','--- Heres a command ---','\x1b[0m');    
      } 
    }
  }); 
  
  xmpp.on("online", (address) => {
    console.log('\x1b[1m\x1b[36m','Online as',address.toString(),'\x1b[0m','\n');
    xmpp.send(xml("presence")).catch(console.error);
  
  });